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WorksheetsAg. Tractor Power 1st Semester Final 20-21
Total questions: 50
Worksheet time: 25mins
Name
Class
Date
1.
Identify the proper order of the four strokes in a small engine
a)
intake, compression, exhaust, power
b)
intake, compression, power, exhaust
c)
intake, power, construction, exhaust
d)
exhaust, compression, power, intake
2.
During the intake stroke the piston moves________
a)
up
b)
in both directions
c)
the head bolts
d)
down
3.
During the compression stroke the piston moves________
a)
up
b)
in both directions
c)
the hot gasses out of the cylinder
d)
down
4.
During the power stroke the piston moves________
a)
up
b)
down slighty
c)
in both directions
d)
down
5.
During the exhaust stroke the piston moves________
a)
up
b)
in both directions
c)
the head bolts
d)
down
6.
Match marks are on the _______and the ____________
a)
crankshaft and connecting rod
b)
crankshaft and shroud
c)
crankshaft and camshaft
d)
camshaft and govenor
7.
The power stroke occurs ______percent of one complete cycle in a four stroke engine.
a)
14 %
b)
15 %
c)
20 %
d)
25 %
8.
An event that ignites the fuel air mixture occurs between the _______stroke and the _________stroke
a)
compression and power
b)
power and intake
c)
intake and power
d)
compression and intake
9.
Tappets ride on ______ and push up on _________ __________
a)
camshaft lobes + connecting rod
b)
camshaft lobes and connecting rod
c)
camshaft lobes + poppet valves
d)
none of the above
10.
Select the best answer for the proper sequence for the four strokes in an internal combustion engine.
a)
compression, exhaust , power, intake
b)
compression, power, intake, exhaust
c)
exhaust, power, intake , compression
d)
exhaust, intake, compression, power
11.
Identify the part?
a)
Wrist Pin
b)
Connecting Rod
c)
Tappet
d)
Camshaft
12.
Identify the part?
a)
Wrist Pin
b)
Connecting Rod
c)
Crankshaft
d)
Piston
13.
Identify the part?
a)
Flywheel
b)
Camshaft
c)
Crankshaft
d)
Piston
14.
Identify the part?
a)
Wrist Pin
b)
Poppet Valve
c)
Crankshaft
d)
Tappet
15.
Identify the part?
a)
Piston
b)
Connecting Rod
c)
Tappet
d)
Piston Rings
16.
Identify the part?
a)
Piston
b)
Block
c)
Cylinder Head
d)
Piston Rings
17.
Identify the part?
a)
Armature
b)
Spark Plug
c)
Starter Pulley
d)
Piston Rings
18.
Identify this part?
a)
Crankcase cover
b)
Cylinder Head
c)
Engine Block
d)
Cylinder Head Gasket
19.
Identify this part?
a)
Spark Plug
b)
Cylinder Head
c)
Armature
d)
Cylinder Head Bolt
20.
Identify this part?
a)
Crankshaft
b)
Oil slinger
c)
Camshaft
d)
Flywheel
21.
Identify the red outlined image?
a)
Match Marks
b)
Cylinder Head
c)
Cylinder Head
d)
Piston
22.
Identify this part?
a)
Crankshaft
b)
Cylinder Head
c)
Cylinder Head Gasket
d)
Heat Shield
23.
Identify this part?
a)
Crankshaft
b)
Cylinder Head
c)
Carburetor
d)
Heat Shield
24.
Name the following Striking/Driving Tool.
a)
Ball Peen Hamer
b)
Mechanic Hammer
c)
Soft Faced Hammer
d)
Carpenter Hammer
25.
Name the following Fastening Tool.
a)
Socket Wrench
b)
Open End Wrench
c)
Adjustable Wrench
d)
Box End Wrench
26.
Name the following Specialty Tool.
a)
Wratchet Strap
b)
Ring Compressor
c)
Flywheel Holder
d)
Flywheel Puller
27.
Name the following Fastening Tool.
a)
Phillips Screwdriver
b)
Offset Screwdriver
c)
Trox Screwdriver
d)
Standard Screwdriver
28.
Name the following Specialty Tool.
a)
Flywheel Holder
b)
Flywheel Puller
c)
Ring Compressor
d)
Doughnut Mold
29.
Name the following Testing Tool.
a)
Sparkplug Ground
b)
Conduct Amplifier
c)
Sparkplug Tester
d)
Conduct Ground
30.
Name the following Fastening Tool.
a)
Cresent Wrench
b)
Twist Wrench
c)
Open end Wrench
d)
Adjustable Wrench
31.
This Telescoping Tool is part of what category of tools used to repair small engines?
a)
Measuring
b)
Fastening
c)
Specialty
d)
Testing
32.
Name the following Fastening tool.
a)
Adjustable Plyiers
b)
Slip Joint Plyiers
c)
Wire Plyiers
d)
Farm Plyiers
33.
Name the following Fastening Tool.
a)
Open End Wrench
b)
Box End Wrench
c)
Cased End Wrench
d)
Combination End Wrench
34.
This Locking Pliers tool is part of what category of tools used to repair small engines?
a)
Cutting
b)
Striking/Driving
c)
Special
d)
Fastening
35.
Name the following Fastening tool.
a)
Ratchet and Socket Wrench
b)
Cranket Wrench
c)
Dual Position Wrench
d)
Slow Wrench
36.
This rubber mallet is part of what category of tools used to repair small engines?
a)
Striking/Driving
b)
Fastening
c)
Special
d)
Cutting
37.
For small engine maintenance the ___ should be replaced annually.
a)
air filter, spark plug, fuel filter and engine oil
b)
air filter, gas cap , muffler and fuel filter
c)
muffler, fuel filter and coil spring
d)
choke, fuel filter, spark plug and pull chord
38.
After every ____ hours of use the small ngine oil should be checked
a)
20
b)
25
c)
40
d)
50
39.
This person is
a)
checking spark plug gap.
b)
tightening the coil.
c)
measuring engine use.
d)
checking tire pressure.
40.
Gaskets function to
a)
seal fluid
b)
reduce wear on coil pull
c)
seal gaps,
d)
maintain ignition
41.
The _______ has several functions: 1) it combines gasoline and air creating a highly combustible mixture, 2) it regulates the ratio of air and fuel, and 3) it controls the engine's speed.
a)
sump pump
b)
magneto
c)
cooling system
d)
carburetor
42.
What two components mix to ignite to power an engine?
a)
nitrogen and fuel
b)
oxygen and fuel
c)
nitrogen and air
d)
oxygen and air
43.
The flywheel performs three basic functions; _______ ________ ________
a)
Heating, Spark, Momentum
b)
Air Flow, Spark, Momentum
c)
Air Flow, Vacuum, Momentum
d)
Air Flow, Spark, Pump Oil
44.
A carburetor is a device used to; ___________________________
a)
Increase compression
b)
Controls the speed of an engine
c)
Creates spark
d)
Mix the proper fuel air ratio
45.
Spark is generated with a _______ embedded in the ___________
a)
Magnet + Carburetor
b)
Coil of wire + Flywheel
c)
Magnet + Shroud
d)
Magnet + Flywheel
46.
Spark occurs between the _____ stroke + the ______ stroke
a)
Compression + Power
b)
Compression + Exhaust
c)
Power + Exhaust
d)
Intake + Compression
47.
During a power stroke ____ valves are _______
a)
Both + Closed
b)
Both + Opened
c)
Both + Inactive
d)
None of the above
48.
During the exhaust stroke the piston moves______
a)
Up
b)
Down
c)
Sideways
d)
The Intake vavle
49.
During a compression stroke the _______ moves upward and ___________
a)
Piston + the exhaust valve is opened
b)
Piston + the intake valve is opened
c)
Piston + compresses fuel air mixture
d)
Piston + Both valves are opened
50.
An operating cycle requires two revolutions ____of the crankshaft which equals how may degrees of rotation
a)
120°
b)
720°
c)
180°
d)
360°
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